Prepare marinade as directed, stirring well to blend
thoroughly. Toss shrimp and red onion into marinade and
set aside. Meanwhile, process ingredients for black bean
spread in food processer or blender until smooth. Spread
bean mixture on the flour tortilla. Gently mix all of the
ingredients for the cheesy rice and spread over the top of
the black bean mixture. Arrange shrimp and red onion on
top of rice layer. Add red pepper slices and mango. Drizzle
with any leftover marinade. Bake in a 425 oven for
approximately 10 minutes. Switch oven to broil and cook
for an additional 3 to 5 minutes.